Browsing by Author "Wijewardene, R."
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Item Mechanisation on a coconut estate(Coconut Research Scheme(Ceylon):Lunuwila, 1953) Wijewardene, R.Item Mechanisation on coconut estaes III(Coconut Research Institute:Ceylon, 1956) Wijewardene, R.Item Mechanisation on coconut estates, III(Coconut Research Institute:Lunuwila, 1956) Wijewardene, R.Item Mechanisation problems on coconut plantations(Coconut Research Institute of Ceylon:Lunuwila, 1954) Wijewardene, R.